Efficient and Accurate Optimal Linear Phase FIR Filter Design Using Opposition-Based Harmony Search Algorithm

Table 15

Comparison of OHS-based results with other reported results.

Model	Parameter
	Filter type	Order	Maximum stop band attenuation (dB)	Maximum pass band ripple (normalized)	Maximum stop band ripple (normalized)	Transition width
Oliveira et al. [15]	Band pass	30	<33 dB	NR*	NR*	>0.1
Karaboga and Cetinkaya [18]	Low pass	20	NR*	>0.08	>0.09	>0.16
Liu et al. [19]	Low Pass	20	NR*	0.04	>0.07	>0.06
Najjarzadeh and Ayatollahi [21]	Low pass	33	<29 dB	NR*	NR*	NR*
	Band pass	33	<25 dB	NR*	NR*	NR*
Ababneh and Bataineh [23]	Low pass	30	<30 dB (Approx.)	0.15	0.031	0.05
Sarangi et al. [26]	Low pass	20	<27 dB	>0.1	>0.06	>0.15
	Band pass	20	<8 dB	>0.2	>0.05	>0.07
Mondal et al. [30]	High pass	20	34.03	0.129	0.02392	0.0825
Luitel and Venayagamoorthy [33]	Low pass	20	<27 dB	0.291	0.270	>0.13
OHS	Low pass	20	35.16	0.140	0.01746	0.0994
	High pass	20	33.86	0.140	0.02027	0.1004
	Band pass	20	34.76	0.153	0.01828	0.0988
	Band stop	20	32.45	0.140	0.02385	0.1069

∗NR means not reported in the referred literature.